Home / 57,720.38-86,517.52-36,669.83

Finding the Fourth Proportional to 57,720.38, 86,517.52 and 36,669.83

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Solution

The fourth proportional to 57,720.38, 86,517.52 and 36,669.83 is: 54,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,720.38 : 86,517.52 = 36,669.83 : x
  2. Step 2: Convert to fraction form
    57,720.38/86,517.52 = 36,669.83/x
  3. Step 3: Cross multiply
    57,720.38x = 86,517.52 × 36,669.83
  4. Step 4: Simplify right side
    57,720.38x = 3,172,582,226.16
  5. Step 5: Solve for x
    x = 3,172,582,226.16/57,720.38
  6. Step 6: Final answer
    x = 54,964.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.